65380571448 has 32 divisors (see below), whose sum is σ = 163650566160. Its totient is φ = 21766972160.

The previous prime is 65380571429. The next prime is 65380571479. The reversal of 65380571448 is 84417508356.

It is a self number, because there is not a number n which added to its sum of digits gives 65380571448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639365 + ... + 1678772.

Almost surely, 2^65380571448 is an apocalyptic number.

It is an amenable number.

65380571448 is an abundant number, since it is smaller than the sum of its proper divisors (98269994712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65380571448 is a wasteful number, since it uses less digits than its factorization.

65380571448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318967 (or 3318963 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 65380571448 in words is "sixty-five billion, three hundred eighty million, five hundred seventy-one thousand, four hundred forty-eight".